Add another method for the filelistbiodatabase class

bob/bio/base/database/__init__.py

@@ -4,7 +4,7 @@ from .database import BioDatabase
 from .database import ZTBioDatabase
 from .filelist.query import FileListBioDatabase
 from .filelist.models import Client
-
+from . import filelist
 
 # gets sphinx autodoc done right - don't remove it
 def __appropriate__(*args):

bob/bio/base/database/filelist/__init__.py

-from .models import ListReader, Client
+from .models import ListReader, Client, FileListFile
 from .query import FileListBioDatabase
+from .driver import Interface
 
 
 # gets sphinx autodoc done right - don't remove it
@@ -21,6 +22,8 @@ def __appropriate__(*args):
 __appropriate__(
     ListReader,
     Client,
+    FileListFile,
     FileListBioDatabase,
+    Interface,
 )
 __all__ = [_ for _ in dir() if not _.startswith('_')]

bob/bio/base/database/filelist/query.py

@@ -21,6 +21,16 @@ class FileListBioDatabase(ZTBioDatabase):
       attribute when querying the database, it will be appended to the base directory, such that
       several protocols are supported by the same class instance of `bob.bio.base`.
 
+    name : str
+      The name of the database
+
+    protocol : str
+      The protocol of the database. This should be a folder inside ``base_dir``.
+
+    biofilecls : class
+      The class that should be used for return the files.
+      This can be `BioFile`, `AudioBioFile`, `FaceBioFile`, or anything similar.
+
     original_directory : str or ``None``
       The directory, where the original data can be found
 
@@ -222,6 +232,17 @@ class FileListBioDatabase(ZTBioDatabase):
     def _make_bio(self, files):
         return [self.biofilecls(client_id=f.client_id, path=f.path, file_id=f.id) for f in files]
 
+    def all_files(self, groups=['dev']):
+        files = self.objects(groups, self.protocol, None, None, **self.all_files_options)
+        # add all files that belong to the ZT-norm
+        for group in groups:
+            if group == 'world':
+                continue
+            if self.implements_zt(self.protocol, group):
+                files += self.tobjects(group, self.protocol, None)
+                files += self.zobjects(group, self.protocol, **self.z_probe_options)
+        return self.sort(self._make_bio(files))
+
     def groups(self, protocol=None):
         """This function returns the list of groups for this database.